Hikvision DS-K4H258S Single Door Magnetic LockMain features The magnetic lock supports static linear thrust of 280 kg (600 Lbs)Default voltage is 12 VDCIt is equipped with internal voltage dependent resistor (MOV)It is applied to wooden door, glass door, metal door and fireproof doorLED indicator displays the status of door lockAnti-residual magnetism designAbrasion-proof materialsThe shell is made up of aldural and is hard anodizing electroplatedNo mechanical failure, and the magnetic lock works by electromagnetism force
